From 53fadd4c22ac0c8ed7539461e8f30607dc100c29 Mon Sep 17 00:00:00 2001
From: yelvlab <wanghao19950516@gmail.com>
Date: Wed, 9 Oct 2024 10:38:39 +0800
Subject: [PATCH] =?UTF-8?q?=E7=94=A8gd32e230=E7=9A=84stdlib=E9=87=8D?=
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数据计算方式重新书写，两个8位数据的合并方式修改为位移，并且整体放大100倍（标准数据为((Data[1] << 8) | Data[0]) * 0.02 - 273.15）
---
 src/main.c     |  2 +-
 src/mlx90614.c | 30 +++++++++++++++++-------------
 2 files changed, 18 insertions(+), 14 deletions(-)

diff --git a/src/main.c b/src/main.c
index 160ad2c..8e94187 100644
--- a/src/main.c
+++ b/src/main.c
@@ -56,7 +56,7 @@ int main(void)
         distance_uint16 = calculate_distance(capture_value);
         printf(result, distance_uint16);
 
-        printf("Temp:%d", read_ir_mlx90614());
+        printf("Temp:%d\n", read_ir_mlx90614());
     }
 }
 
diff --git a/src/mlx90614.c b/src/mlx90614.c
index 67b5898..5020641 100644
--- a/src/mlx90614.c
+++ b/src/mlx90614.c
@@ -19,8 +19,10 @@ void i2c_config(void) {
     i2c_enable(I2C0);
     i2c_ack_config(I2C0, I2C_ACK_ENABLE);
 
-    nvic_irq_enable(I2C0_EV_IRQn, 2);
-    nvic_irq_enable(I2C0_ER_IRQn, 2);
+    i2c_start_on_bus(I2C0);
+
+    // nvic_irq_enable(I2C0_EV_IRQn, 2);
+    // nvic_irq_enable(I2C0_ER_IRQn, 2);
 }
 
 int read_ir_mlx90614(void) {
@@ -31,7 +33,7 @@ int read_ir_mlx90614(void) {
     while (TIMEOUT < 10000 && i2c_flag_get(I2C0, I2C_FLAG_I2CBSY))
         TIMEOUT++;
     if (TIMEOUT >= 10000) {
-        //printf("ERROR0\r\n");
+        printf("ERROR0\r\n");
         return -410;
     }
     TIMEOUT = 0;
@@ -51,7 +53,7 @@ int read_ir_mlx90614(void) {
            && !i2c_flag_get(I2C0, I2C_FLAG_SBSEND))
         TIMEOUT++;
     if (TIMEOUT >= 10000) {
-        //printf("ERROR1\r\n");
+        printf("ERROR1\r\n");
         return -410;
     }
     //	I2C_AcknowledgeConfig(I2C0,DISABLE);
@@ -98,7 +100,7 @@ int read_ir_mlx90614(void) {
            && !i2c_flag_get(I2C0, I2C_FLAG_SBSEND))
         TIMEOUT++;
     if (TIMEOUT >= 10000) {
-        //printf("ERROR3\r\n");
+        printf("ERROR3\r\n");
         return -410;
     }
     TIMEOUT = 0;
@@ -117,7 +119,7 @@ int read_ir_mlx90614(void) {
            && !i2c_flag_get(I2C0, I2C_FLAG_RBNE))
         TIMEOUT++;
     if (TIMEOUT >= 10000) {
-        //printf("ERROR4\r\n");
+        printf("ERROR4\r\n");
         return -410;
     }
     //I2C_AcknowledgeConfig(I2C0,DISABLE);
@@ -137,7 +139,7 @@ int read_ir_mlx90614(void) {
            && !i2c_flag_get(I2C0, I2C_FLAG_RBNE))
         TIMEOUT++;
     if (TIMEOUT >= 10000) {
-        //printf("ERROR5\r\n");
+        printf("ERROR5\r\n");
         return -410;
     }
 
@@ -157,7 +159,7 @@ int read_ir_mlx90614(void) {
            && !i2c_flag_get(I2C0, I2C_FLAG_RBNE))
         TIMEOUT++;
     if (TIMEOUT >= 10000) {
-        //printf("ERROR6\r\n");
+        printf("ERROR6\r\n");
         return -410;
     }
 
@@ -208,16 +210,18 @@ int read_ir_mlx90614(void) {
     i2c_stop_on_bus(I2C0);
     // I2C_AcknowledgeConfig(I2C0, ENABLE);
     i2c_ack_config(I2C0, I2C_ACK_ENABLE);
-    //printf("data:%x,%x,%x\r\n",Data[0],Data[1],Data[2]);
+    printf("data:%x,%x,%x\r\n",Data[0],Data[1],Data[2]);
     // inttemp_ir = (int) ((Data[0] + Data[1] * 255) * 0.2 - 2731.5);
+    // Data[0] = 0x41;
+    // Data[1] = 0x39;
     inttemp_ir = (((Data[1] << 8) | Data[0]) * 2 - 27315);
     //		printf("temp:%d\r\n",inttemp_ir);
 
 
-    if (inttemp_ir < -400)
-        inttemp_ir = -400;
-    if (inttemp_ir > 850)
-        inttemp_ir = 850;
+    // if (inttemp_ir < -4000)
+    //     inttemp_ir = -4000;
+    // if (inttemp_ir > 8500)
+    //     inttemp_ir = 8500;
     //
     return inttemp_ir;
 }